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Observable.Replay<TSource, TResult> Method (IObservable<TSource>, Func<IObservable<TSource>, IObservable<TResult>>, IScheduler)

Returns an observable sequence that is the result of invoking the selector on a connectable observable sequence that shares a single subscription to the underlying sequence replaying all notifications.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

public static IObservable<TResult> Replay<TSource, TResult>(
	this IObservable<TSource> source,
	Func<IObservable<TSource>, IObservable<TResult>> selector,
	IScheduler scheduler
)

Type Parameters

TSource

The type of source.

TResult

The type of result.

Parameters

source
Type: System.IObservable<TSource>
The source sequence whose elements will be multicasting through a single shared subscription.
selector
Type: System.Func<IObservable<TSource>, IObservable<TResult>>
The selector function which can use the multicasted source sequence as many times as needed, without causing multiple subscriptions to the source sequence.
scheduler
Type: System.Reactive.Concurrency.IScheduler
The scheduler where connected observers within the selector function will be invoked on.

Return Value

Type: System.IObservable<TResult>
An observable sequence that contains the elements of a sequence produced by multicasting the source sequence within a selector function.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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